Determining nutrients degradation kinetics of chickpea (Cicer arietinum) straw using nylon bag technique in sheep
Journal Title: Open Veterinary Journal - Year 2012, Vol 2, Issue 5
Abstract
Straw a by-product from grain legume crops is produced in large quantities in Iran. Straw is constant component of ruminant diets on small holder farms; however, there is little information about its nutritive value. Accordingly experiment was conducted to determine the chemical composition and ruminal organic matter (OM) and crude protein (CP) degradability of chickpea straw using nylon bags (in situ) technique. Replicated samples were incubated at 0, 2, 4, 8, 12, 24, 48 and 72 hours in three rumen canulated Ghezel rams with 50±3 kg body weight. Dry matter (DM), CP, ether extract (EE), OM, crude fiber (CF) and nitrogen free extract (NFE) content of chickpea straws were 92.2, 6.1, 5.5, 92.0, 34.3 and 46.2%, respectively. The soluble fraction (a) of the OM and CP of chickpea straw was 17.5 and 40.8% and potential degradability (a+b) of OM and CP was 56.7 and 72.0%, respectively. Effective degradability at different passage rates (2, 5 and 8% per hours) for OM was 51.0 44.9 and 40.7% and for CP were 68.4, 64.3 and 61.3%, respectively. In conclusion, based on chemical composition and degradation characteristics, chickpea straw could have moderate nutritive value for ruminants.
Authors and Affiliations
A. Aghajanzadeh-Golshani| Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran, N. Maheri-Sis| Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran, A. Baradaran-Hasanzadeh| Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran, A. Asadi-Dizaji| Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran, A. Mirzaei-Aghsaghali| Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran, J. Dolgari-Sharaf| Department of Animal Science, Shabestar Branch, Islamic Azad University, Shabestar, Iran
Keywords
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